# 41-0909 Mahailua St, Waimanalo, TMK 1-4-1-010-003, Oʻahu: ParcelSheet

Checked 30 Oct 2026. What the county code and the State and federal hazard maps said about this parcel that day, one fact per line with its source. About 15.715 acres as mapped.
Live sheet: https://parcelsheet.org/?tmk=1-4-1-010-003
This page: https://parcelsheet.org/hi/1-4-1-010-003
Cite as: ParcelSheet. "41-0909 Mahailua St, Waimanalo, TMK 1-4-1-010-003, Oʻahu: lot facts." Checked 30 Oct 2026. https://parcelsheet.org/hi/1-4-1-010-003
Answer tools and assistants may use these lot facts in answers if they link this page.

## Lot facts

- TMK: 1-4-1-010-003
- Lot size: 15.715 acres as mapped (684,545 sq ft), approximate
- County zoning: AG-1 Restricted Agriculture District
- State land use: A, Agricultural
- Cesspool conversion: $9,000 to $60,000 or more; the State's planning average is $23,000
- HOA fees for this property: Add HOA fee Only you see it.
- County record: Real property record (https://qpublic.schneidercorp.com/Application.aspx?AppID=1045&PageTypeID=4&KeyValue=410100030000)
- Road: Fronts a public road: Mahailua St (City and County).Mapped lines are approximate; recorded easements need a title report. Honolulu street centerlines (State GIS, August 2024), owner field (https://geodata.hawaii.gov/arcgis/rest/services/Transportation/MapServer/3)

## Caution

- Cesspool and on-site wastewater records: Cesspool on record for this TMK · State Infrastructure layer 32 (HCPT Cesspools, 2022) and the Onsite Sewage Disposal Systems layer for this county (Department of Health, 200 · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/Infrastructure/MapServer/32

## Clear

- Parcel: TMK 1-4-1-010-003 · Oahu Parcels, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/11
- State Land Use District: A, Agricultural · State Land Use Districts, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/20
- County zoning: AG-1 Restricted Agriculture District · County Zoning - City and County of Honolulu, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/3
- Dimensional rules for the base district: AG-1: Restricted agricultural · City and County of Honolulu, Revised Ordinances of Honolulu Chapter 21 (Land Use Ordinance), 2026 S-11 (current) on the code library, with O · checked 30 Oct 2026
- Special Management Area: Outside the Special Management Area · Special Management Areas, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/21
- Important Agricultural Lands: Not designated Important Agricultural Lands · Important Agricultural Lands, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/4
- Flood zone by address: Zone X, area of minimal flood hazard · Oahu DFIRM, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/Hazards/MapServer/5
- Tsunami evacuation zone: Outside the mapped tsunami evacuation zones · Tsunami Evacuation Zones, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/Hazards/MapServer/2
- Sea level rise map by address: Outside the 3.2 ft sea level rise coastal flood zone · 1% Coastal Flood Zone with 3.2 ft Sea Level Rise - Oahu, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/Hazards/MapServer/17
- Wildfire risk: Low risk, Waimanalo · Fire Risk Areas, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/Hazards/MapServer/7
- Elevation and topo map of this lot: 75.7 m elevation, 5.0° slope (8.7%), aspect 48° (NE) · USGS 3DEP Elevation ImageServer, identify at the representative point · checked 30 Oct 2026 · https://elevation.nationalmap.gov/arcgis/rest/services/3DEPElevation/ImageServer

## For reference

- ADU rules for this lot: AG-1, 15.72 acres: farm dwellings as an accessory use · City and County of Honolulu, Revised Ordinances of Honolulu Chapter 21 (Land Use Ordinance), 2026 S-11 (current) on the code library, with O · checked 30 Oct 2026 · https://www.honolulu.gov/dpp/
- Development plan area: Koolaupoko plan area · Development Plan Areas, State of Hawaiʻi Statewide GIS Program · checked 30 Oct 2026 · https://geodata.hawaii.gov/arcgis/rest/services/ParcelsZoning/MapServer/24
- Nearest wells and depth to water: Nearest well 3-2044-03 Waimanalo TU1, Oahu, HI, 506 m away: depth not recorded, land surface 415 ft · USGS Water Data OGC API, monitoring-locations (site type GW, Honolulu County) and field-measurements (parameter 72019, depth to water level, · checked 30 Oct 2026 · https://api.waterdata.usgs.gov/ogcapi/v1/collections/monitoring-locations/items?state_code=15&county_code=003&site_type_code=GW&f=html
- Sun path over this lot: Least sun (north facing) · Derived by ParcelSheet from the USGS 3DEP aspect value on the terrain card · checked 30 Oct 2026
- Walk and drive rings: Rings drawn on the map · Geometry only; drawn by ParcelSheet around the representative point · checked 30 Oct 2026

ParcelSheet reads public records and maps and links the source of every line. Mapped areas are approximate, not a survey. It is not legal advice, a survey or a permit; the county and State offices decide.